Finding the Fourth Proportional to 861,927,735,592.85, 1,292,892,847,718.20 and 351,986,502,677.82
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Solution
The fourth proportional to 861,927,735,592.85, 1,292,892,847,718.20 and 351,986,502,677.82 is: 527,980,262,164.88
Step by Step Solution
- Step 1: Write the proportion equation
861,927,735,592.85 : 1,292,892,847,718.20 = 351,986,502,677.82 : x - Step 2: Convert to fraction form
861,927,735,592.85/1,292,892,847,718.20 = 351,986,502,677.82/x - Step 3: Cross multiply
861,927,735,592.85x = 1,292,892,847,718.20 × 351,986,502,677.82 - Step 4: Simplify right side
861,927,735,592.85x = 455,080,831,805,496,521,392,128 - Step 5: Solve for x
x = 455,080,831,805,496,521,392,128/861,927,735,592.85 - Step 6: Final answer
x = 527,980,262,164.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.